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import { ReduceArguments, toReduceArguments } from "./reduceify.ts";import { contains } from "./contains.ts";import { removeDuplicates } from "./removeDuplicates.ts";
export type ArrDiff<T> = {    added: readonly T[];    removed: readonly T[];}
export function arrDiff<ArrOf>(    arr: readonly ArrOf[],    newArr: readonly ArrOf[],    areEquals: (e1: ArrOf, e2: ArrOf) => boolean = (e1, e2) => e1 === e2): ArrDiff<ArrOf> {
    return {        "added": newArr            .reduce(...removeDuplicates<ArrOf>(areEquals))            .filter(newEntry => !arr.reduce(...contains<ArrOf>(entry => areEquals(entry, newEntry)))),        "removed": arr            .reduce(...removeDuplicates<ArrOf>(areEquals))            .filter(entry => !newArr.reduce(...contains<ArrOf>(newEntry => areEquals(newEntry, entry))))    };

}
export function diff<ArrOf>(    newArr: readonly ArrOf[],    areEquals?: (e1: ArrOf, e2: ArrOf) => boolean ): ReduceArguments<ArrOf, ArrDiff<ArrOf>> {    return toReduceArguments(arrDiff, newArr, areEquals);}
export function diffFactory({ areEquals }: { areEquals: <T>(e1: T, e2: T) => boolean; }) {    return { "diff": <ArrOf>(newArr: readonly ArrOf[]) => diff<ArrOf>(newArr, areEquals) };}